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easter_date — Gets the UNIX-style timestamp of Easter midnight for the given year.


int easter_date([year]);
int year (optional): Year in which to find Easter date


UNIX timestamp; FALSE if the year is before 1970 or after 2037


easter_date() calculates the UNIX-style timestamp of midnight on Easter for the given year. If no year argument is provided, the current year is assumed.

UNIX-style timestamps are valid only for years from 1970 to 2037. If the year argument specified is outside this range, the function returns FALSE.

UNIX timestamps can be used with a variety of functions, including date() , unixtojd() , and gmdate() - see the date and time functions for more information.


PHP Version: 3.0.9+, 4+

See also

To find the number of days after March 21 until Easter for a given year:



Example 67. Display the month and date for Easter, 2005

$date = easter_date (2005);
// Format the timestamp as a Gregorian Calendar date and display it
echo date ('M, d', $date);

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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